Ford Mustang (1999-2004) Service Manual: Transmission Description (Description and Operation)

The 4R70W has the following features:

  • Wide ratio gears
  • Four speeds
  • Rear wheel drive
  • Automatic
  • Electronic shift
  • Torque converter clutch control
  • Line pressure controls

The transmission uses Ravigneaux-style double-pinion gearset with two bands, one one-way roller clutch, one mechanical diode and four friction clutches to produce four forward gears and Reverse.

4R70W Automatic Transmission

4R70W Automatic Transmission

    Automatic Transaxle/Transmission
    General Specifications a - MERCON V is not interchangeable at this time with the current MERCON fluids. Check the transmission fluid level indicator to determine the correct fluid and refer to the ...

    Identification Tags
    All vehicles are equipped with a Vehicle Certification Label, located on the driver side door lock post. For correct transmission identification, refer to the code in the space marked TR. ...

    Other materials:

    Inspection and Verification
    WARNING: Use of any other than the approved DOT 3 brake fluid will cause permanent damage to brake components and will render the brakes inoperative. WARNING: Brake fluid contains polyglycol ethers and polyglycols. Avoid contact with eyes. Wash hands thorou ...

    Cylinder Head
    Special Tool(s) Compressor, Valve Spring (Exhaust Side) 303-567 (T97P-6565-AH) Compressor, Valve Spring (Intake Side) 303-452 (T93P-6565-AR) Holding Tool, Camshaft 303-446 (T93P-6256-AHR) Compressor, ...

    Removal
    1. Disconnect the battery negative cable. 2. Drain the engine cooling system. 3. Remove the RH exhaust manifold. For additional information, refer to Exhaust Manifold RH in this section. 4. Remove the lower intake manifold. For additional information, re ...